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Finding the Third Proportional to 201,798 and 438,966

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Solution

The third proportional to 201,798 and 438,966 is: 954,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,798 : 438,966 = 438,966 : x
  2. Step 2: Convert to fraction form
    201,798/438,966 = 438,966/x
  3. Step 3: Cross multiply
    201,798x = 438,966 × 438,966
  4. Step 4: Simplify right side
    201,798x = 192,691,149,156
  5. Step 5: Solve for x
    x = 192,691,149,156/201,798
  6. Step 6: Final answer
    x = 954,871.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.